Mobile matters to Google, which means one thing. It should matter to you @hiltonjohani pic.twitter.com/OPPylLJvm3
— Hilton Johani (@hiltonjohani) January 2, 2017
Here is an Infographic with all mobile updates from February 2015 to June 2016. The latest update is the Mobile-first index which has been progressively rolling out since November.